//
//  relationCustomCell.m
//  Yihubang
//
//  Created by xmy on 16/8/30.
//  Copyright © 2016年 jinghao. All rights reserved.
//

#import "relationCustomCell.h"

@implementation relationCustomCell

- (void)awakeFromNib {
    [super awakeFromNib];
    @weakify(self)
    [RACObserve(self, customRelation.isFirstResponder) subscribeNext:^(NSNumber *x) {
        @strongify(self)
        self.isChanged = !self.isChanged;
        if (self.isChanged) {
            [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(textFiledEditChanged:)
                                                        name:@"UITextFieldTextDidChangeNotification"
                                                      object:self.customRelation];
        }
    }];
    
    // Initialization code
}


-(void)textFiledEditChanged:(NSNotification *)obj{
    UITextField *textField = (UITextField *)obj.object;
    NSInteger kMaxLength = 10;
    NSString *toBeString = textField.text;
    NSString *lang = [[UITextInputMode currentInputMode] primaryLanguage]; // 键盘输入模式
    if ([lang isEqualToString:@"zh-Hans"]) { // 简体中文输入，包括简体拼音，健体五笔，简体手写
        UITextRange *selectedRange = [textField markedTextRange];
        //获取高亮部分
        UITextPosition *position = [textField positionFromPosition:selectedRange.start offset:0];
        // 没有高亮选择的字，则对已输入的文字进行字数统计和限制
        if (!position) {
            if (toBeString.length > kMaxLength) {
                textField.text = [toBeString substringToIndex:kMaxLength];
            }
        }
        // 有高亮选择的字符串，则暂不对文字进行统计和限制
        else{
            
        }
    }
    // 中文输入法以外的直接对其统计限制即可，不考虑其他语种情况
    else{
        if (toBeString.length > kMaxLength) {
            textField.text = [toBeString substringToIndex:kMaxLength];
        }
    }
}

- (void)dealloc{
    [[NSNotificationCenter defaultCenter]removeObserver:self
                                                   name:@"UITextFieldTextDidChangeNotification"
                                                 object:self.customRelation];
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
    [super setSelected:selected animated:animated];

    // Configure the view for the selected state
}

@end
